[INFO] updating cached repository https://github.com/wezm/c2rust-dwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d96cdc5238c8db83a274a7fe0fdb18e0237377fd
[INFO] testing wezm/c2rust-dwm against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwezm%2Fc2rust-dwm" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wezm/c2rust-dwm on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wezm/c2rust-dwm
[INFO] finished tweaking git repo https://github.com/wezm/c2rust-dwm
[INFO] tweaked toml for git repo https://github.com/wezm/c2rust-dwm written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wezm/c2rust-dwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 990cdb508808a1e8053299f28fddd75afbde4a5b903b0fca711fd158d43233cf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "990cdb508808a1e8053299f28fddd75afbde4a5b903b0fca711fd158d43233cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "990cdb508808a1e8053299f28fddd75afbde4a5b903b0fca711fd158d43233cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "990cdb508808a1e8053299f28fddd75afbde4a5b903b0fca711fd158d43233cf", kill_on_drop: false }`
[INFO] [stdout] 990cdb508808a1e8053299f28fddd75afbde4a5b903b0fca711fd158d43233cf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28f1bd83712cecf13638a060868267d44e36aee28de7239eb8476206d7190e98
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "28f1bd83712cecf13638a060868267d44e36aee28de7239eb8476206d7190e98", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling x11 v2.18.1
[INFO] [stderr]    Compiling c2rust v6.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> build.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |         writeln!(write, "cargo:rustc-link-lib={}", lib);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11`
[INFO] [stdout]  --> dwm.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use x11;
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]     --> dwm.rs:2194:4
[INFO] [stdout]      |
[INFO] [stdout] 2194 | /    (max(0, min((x)+(w),(*m).wx+(*m).ww) - max((x),(*m).wx))
[INFO] [stdout] 2195 | |                                * max(0, min((y)+(h),(*m).wy+(*m).wh) - max((y),(*m).wy)))
[INFO] [stdout]      | |_________________________________________________________________________________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]      |
[INFO] [stdout] 2194 |    max(0, min((x)+(w),(*m).wx+(*m).ww) - max((x),(*m).wx))
[INFO] [stdout] 2195 |                                * max(0, min((y)+(h),(*m).wy+(*m).wh) - max((y),(*m).wy))
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> dwm.rs:2194:47
[INFO] [stdout]      |
[INFO] [stdout] 2194 |    (max(0, min((x)+(w),(*m).wx+(*m).ww) - max((x),(*m).wx))
[INFO] [stdout]      |                                               ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]     --> dwm.rs:2195:76
[INFO] [stdout]      |
[INFO] [stdout] 2195 | ...                   * max(0, min((y)+(h),(*m).wy+(*m).wh) - max((y),(*m).wy)))
[INFO] [stdout]      |                                                                   ^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> util.rs:73:27
[INFO] [stdout]    |
[INFO] [stdout] 73 |     vfprintf(stderr, fmt, ap);
[INFO] [stdout]    |                           ^^ expected struct `std::ffi::VaList`, found struct `std::ffi::VaListImpl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `c2rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "28f1bd83712cecf13638a060868267d44e36aee28de7239eb8476206d7190e98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28f1bd83712cecf13638a060868267d44e36aee28de7239eb8476206d7190e98", kill_on_drop: false }`
[INFO] [stdout] 28f1bd83712cecf13638a060868267d44e36aee28de7239eb8476206d7190e98